Can somebody answer these 5 questions for me! you : )
in the following problems, prac...
Chemistry, 14.10.2019 19:00 alyssa32900
Can somebody answer these 5 questions for me! you : )
in the following problems, practice calculations involving energy, wavelength and frequency:
1) what is the frequency of green light that has a wavelength of 5.14 x 10^-7m?
2) what is the wavelength of infrared radiation with a frequency of 3.85 x 10^12 hz?
3) what is the energy of a photon with a frequency of 7.85 x 10^14 hz?
4) what is the energy of a photon having a wavelength of 6.08 x 10^-7 m?
5) what is the wavelength of ultraviolet radian having 2.94 x 10^-8 j of energy?
Answers: 2
Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 05:30
The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
Answers: 1
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
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